When you need to tighten fasteners, this Proto J6064HTC Micrometer Torque Wrench is the tool for the job. The 40-200 in.-lb torque range allows you to get a precise grip on nuts and bolts of various sizes. The micrometer torque wrench has an accuracy of +/-4% CW and +/-6% CCW at 20% to 100% of full scale. It also features a primary scale range of 40 in.-lb to 200 in.-lb, with a torquing range of 40 in.-lb to 200 in.-lb. The alloy steel handle ensures durability while the alloy steel body makes it easy to use. This 3/8" drive torque wrench has 1" increments on its primary scale for precision measurement when tightening fasteners. With its excellent design and construction, this Proto Micrometer Torque Wrench will give you years of service without needing repairs or replacements.